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Excited vibration acoustic generator device

A technology that excites vibrations and sound generators. It is applied to sensors, electrical components, etc., and can solve the problems of inability to realize miniaturization, excitation resonance, sound volume, and thickness increase.

Inactive Publication Date: 2011-04-27
陆少锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reducing the radius of the magnetic circuit device and increasing its thickness can make the product smaller, but the magnetic flux in the magnetic gap space becomes smaller, and the sense of volume that excites resonance and sound becomes smaller. This design cannot achieve the purpose of miniaturization

Method used

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Examples

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Embodiment Construction

[0026] see Figures 1 to 8 , the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] An excitation vibration sounder device, including a voice coil 70 and a magnetic circuit device provided with an annular magnetic gap space, and also includes an upper shell 10, a middle shell 20, a lower shell 30 with a through hole at the bottom, an amplifier integration device, a magnetic Road fixing part 50, elastic supporting body. The lower case 30 is connected to the middle case 20 , and the amplifier integrated device is arranged inside the middle case 20 . The amplifier integrated device includes a circuit board 40 , a signal input interface 42 arranged on the circuit board 40 , a signal amplifier for amplifying signals, and a potentiometer 41 for adjusting signal output. The circuit board 40 is fixedly connected to the middle shell 20 . The signal output end of the amplifier integrated device is electrically connected to the s...

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Abstract

The invention discloses an excited vibration acoustic generator device. The device comprises a voice coil, a magnetic circuit device, an upper shell, a middle shell, a lower shell, an amplifier integration device, a magnetic circuit fixing piece and an elastic supporting body, wherein the lower shell is connected with the middle shell; the amplifier integration device is arranged in the middle shell and comprises a circuit board, a signal input interface, a signal amplifier and a potentiometer; the signal output end of the amplifier integration device is electrically connected with the signal input end of the voice coil; the upper shell is positioned above the middle shell and is connected with a regulating handle of the potentiometer; the magnetic circuit fixing piece is arranged below the circuit board; the magnetic circuit device is arranged below the magnetic circuit fixing piece; and the elastic supporting body comprises a disc spider which is connected with the lower shell and a transmission part which is arranged below the disc spider and stretches out of a through hole of the lower shell. In the scheme, a balance weight body consists of the upper shell, the middle shell, the lower shell, the amplifier integration device, the magnetic circuit fixing piece and the magnetic circuit device, so that the aim of miniaturization of a product can be fulfilled, and the product has high performance.

Description

technical field [0001] The invention relates to the technical field of sounder devices, in particular to an excitation vibration sounder device. Background technique [0002] Existing excitation vibration sounder comprises a voice coil and a magnetic circuit device provided with an annular magnetic gap space. The voice coil extends into the annular magnetic gap space of the magnetic circuit device. The voice coil includes a skeleton and a coil wound on the skeleton. A transmission part is fixed under the ring, and the transmission part is connected with the magnetic circuit device through elastic waves, and the transmission part is in contact with the external medium. The signal input end of the voice coil is connected with an external independent amplifier integration device, and the amplifier integration device may be a power amplifier. When the current signal from the amplifier integrated device is input into the voice coil, the coil of the voice coil interacts with the ...

Claims

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Application Information

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IPC IPC(8): H04R9/06H04R9/04H04R9/02
Inventor 方植勋陆少锋
Owner 陆少锋
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